buffer Meaning, Definition & Usage

noun (chemistry) an ionic compound that resists changes in its pH
noun a neutral zone between two rival powers that is created in order to diminish the danger of conflict
buffer zone.
noun an inclined metal frame at the front of a locomotive to clear the track
fender; cowcatcher; pilot.
noun (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
buffer storage; buffer store.
noun a power tool used to buff surfaces
polisher.
noun a cushion-like device that reduces shock due to an impact
fender.
noun an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
buff.
verb add a buffer (a solution)
- buffered saline solution for the eyes
verb protect from impact
cushion; soften.
- cushion the blow
adjective satellite of the yellowish-beige color of buff leather
buff.

Prop a striker. See Buffet a blow.

(Mech.) (a) An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car. (b) A pad or cushion forming the end of a fender, which recieves the blow; -- sometimes called buffing apparatus.
One who polishes with a buff.
A wheel for buffing; a buff.
A good-humored, slow-witted fellow; -- usually said of an elderly man. Colloq. Dickens.